Home › Forums › General Karting Discussion › VP MS98L vs Sunoco 260 GT Plus for TM Engine › Reply To: VP MS98L vs Sunoco 260 GT Plus for TM Engine
Depends on your engine. Is it modified? Is it ported. What’s the head volume? What’s the squish? In general even stock K9s like a proper leaded race fuel. They can run on ms98; but I run mine on VP C12 at 20:1 with Castor 927.